Hilary Duff Posts Bikini Picture to Promote Her New Single "Chasing the Sun": Photo

Hilary Duff tweeted a shot of herself in a bikini to promote her new single "Chasing the Sun."Credit: Courtesy Hilary Duff

Beachgoers across the country might have seen a special note in the sky from Hilary Duff on Saturday, July 26. The former Disney star, 26, took a crazy chance by promoting her upcoming single "Chasing the Sun" with an airplane message.